LS GM Professional Image Engine

Problem

Batch image work often trips on output sizes, formats, white borders, shadows, GIF weight, and cross-shell command differences. Reusing raw gm convert, gm montage, or append parameters manually can repeat the same mistakes: misaligned appends, missing format delegates, font errors, or resource limits.

How it works

@lishengvision/ls-gm-img wraps GraphicsMagick into practical workflows. It exposes presets for WeChat article images, e-commerce main images, avatars, landscape posters, and ID photos, then maps them to gm convert, gm mogrify, gm identify, gm composite, gm montage, gm animate, and gm compare. The skill covers format conversion, resize and crop, rotation and flipping, color and quality adjustment, sharpening and blur, text and watermark effects, image appending, montage grids, pixel-level comparison, and animated GIFs.

Boundaries

It assumes a working gm environment. Some builds may lack format decoders or default fonts. Command syntax also varies by shell, so wildcards, quotes, path separators, and bracket escaping need care. Append operations should align edge dimensions first, and large files should be constrained with -limit.